Rate-case process
Constitutional fair-value rate cases for private utilities
The ACC determines fair value, revenue requirement, and a just and reasonable return in utility-specific evidentiary cases. Purchased-power and gas-cost mechanisms can change between full reviews.
Read the official framework ↗Wholesale power market
Primary organized-market or non-RTO region for the state jurisdiction.
Market coverage source ↗State rules
Full base-rate reviews set the broad revenue and return framework. Recurring riders, clauses, and reconciliations can change narrower charges between those reviews. These are governing patterns, not filing-date forecasts.
Electric and gas service
Full base-rate review
Electric and gas · Commission-regulated investor-owned electric and natural-gas utilities
Case-specific; utilities initiate fair-value rate cases
Case-specific; utilities initiate fair-value rate cases
Rate period: Historic test years and fair-value rate base are developed in the evidentiary record.
Governing rule ↗Between full reviews
Electric
Purchased power and fuel adjustor
Periodic adjustment
Approved fuel and purchased-power costs can change between base-rate cases.
Governing source ↗Natural gas
Purchased gas adjustment
Periodic adjustment
Gas commodity costs are recovered separately from base distribution rates.
Governing source ↗Current activity